H04J 3/1605
Fixed allocated frame structures
Official title: {Fixed allocated frame structures}
H04J3/1605 (Fixed allocated frame structures) appears on 2,043 US grants and 1,585 published applications in this corpus.
Search patents in H04J- Granted patents
- 2,043
- Published applications
- 1,585
- Assignees
- 470
- Inventors
- 3,465
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 20 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 24 | 0 |
| 1993 | 25 | 0 |
| 1994 | 29 | 0 |
| 1995 | 32 | 0 |
| 1996 | 38 | 0 |
| 1997 | 29 | 0 |
| 1998 | 40 | 0 |
| 1999 | 45 | 0 |
| 2000 | 44 | 0 |
| 2001 | 35 | 19 |
| 2002 | 28 | 80 |
| 2003 | 35 | 96 |
| 2004 | 65 | 77 |
| 2005 | 70 | 80 |
| 2006 | 108 | 90 |
| 2007 | 60 | 80 |
| 2008 | 79 | 76 |
| 2009 | 90 | 68 |
| 2010 | 92 | 76 |
| 2011 | 86 | 56 |
| 2012 | 77 | 87 |
| 2013 | 64 | 84 |
| 2014 | 79 | 42 |
| 2015 | 96 | 65 |
| 2016 | 69 | 78 |
| 2017 | 68 | 43 |
| 2018 | 49 | 40 |
| 2019 | 60 | 53 |
| 2020 | 46 | 66 |
| 2021 | 55 | 53 |
| 2022 | 58 | 45 |
| 2023 | 44 | 58 |
| 2024 | 39 | 34 |
| 2025 | 32 | 22 |
| 2026 | 26 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for enhanced autonegotiation29 Sep 2026US 12,750,316 B2Level 3 Communications, LLC
- Mapping multiplexing method and apparatus for optical transport network, and electronic device and storage medium22 Sep 2026US 12,744,613 B2Sanechips Technology Co., Ltd.
- Slot consistency verification method and related device15 Sep 2026US 12,739,059 B2Huawei Technologies Co., Ltd.
- Service data processing method and apparatus18 Aug 2026US 12,712,658 B2Huawei Technologies Co., Ltd.
- Method for determining transmission slot and related apparatus4 Aug 2026US 12,701,039 B2Huawei Technologies Co., Ltd.
- Otn device, service management system, and automatic connection method of otn sub-device8 Oct 2026US 2026/0312712 A1Zte Corporation
- Resource utilization monitoring for optical transport networks17 Sep 2026US 2026/0280700 A1Nokia Solutions and Networks Oy
- Data transmission method, data processing method, and related apparatus10 Sep 2026US 2026/0269968 A1Huawei Technologies Co., Ltd.
- Optical Transmission Apparatus13 Aug 2026US 2026/0238370 A1NTT, Inc.
- Coordinated Layer-0 and Layer-1 Control for Right-Sizing Optical Interfaces6 Aug 2026US 2026/0230177 A1Ciena Corporation
Most cited
By later US patents
- Synchronous optical transmission system342US 5,185,736 AAlcatel NA Network Systems Corp. · 1993
- Apparatus for segmenting encoded video signal for transmission314US 5,168,356 AGeneral Electric Company · 1992
- Switchable multi-drop video distribution system296US 5,867,484 AIntellect Network Technologies · 1999
- Frequency agile broadband communications system258US 5,594,726 AScientific-Atlanta, Inc. · 1997
- Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles250US 5,953,429 AMatsushita Avionics Systems Corporation · 1999